Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 156bd6a414f62a130e44ff3fb591001c75ca8bb80c66d3e4050fa3dc530b8c25:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^